72732879 has 12 divisors (see below), whose sum is σ = 105320800. Its totient is φ = 48367584.

The previous prime is 72732871. The next prime is 72732883. The reversal of 72732879 is 97823727.

It is not a de Polignac number, because 72732879 - 2³ = 72732871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72732871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6199 + ... + 13560.

Almost surely, 2^72732879 is an apocalyptic number.

72732879 is a deficient number, since it is larger than the sum of its proper divisors (32587921).

72732879 is a wasteful number, since it uses less digits than its factorization.

72732879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20174 (or 20171 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 72732879 is about 8528.3573447646. The cubic root of 72732879 is about 417.4235298050.

The spelling of 72732879 in words is "seventy-two million, seven hundred thirty-two thousand, eight hundred seventy-nine".